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About this sound

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The famous 'that's not a knife' line from Crocodile Dundee where Mick Dundee outdoes a mugger, used for one-upping and reveal joke edits online.

This is Mick Dundee's calm, dry delivery of the line 'that's not a knife, this is a knife' from Crocodile Dundee. An Australian voice speaks slowly and confidently over a quiet street scene, then the humour lands in the contrast between a small flick knife and his huge Bowie knife. The pause before the reveal does most of the work, making the moment feel smug rather than threatening. Viewers instantly read it as a playful one-up, which is why the clip works even without the picture, as pure audio timing and attitude.

The line comes from the 1986 comedy Crocodile Dundee, written by and starring Paul Hogan as Mick Dundee, an Australian bushman visiting New York. In the scene a mugger pulls a flick knife and Dundee calmly produces a much larger Bowie knife. The exchange became the film's most quoted moment and helped the movie become a worldwide hit. Decades later the audio is reused in edits and reaction videos whenever a small item is topped by an absurdly larger one.

Pro Tip for Usage

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Place the first half over your opponent's reveal, then cut hard to your bigger version exactly on 'this is a knife'. Let the pause breathe, keep the original street ambience low underneath, and do not add music that covers Dundee's deadpan delivery.

Use Cases

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  • Reveal a bigger version after a friend shows theirs.
  • Cut to an oversized prop for a classic one-up joke.
  • Use under gaming clips showing a stronger weapon upgrade.
  • Drop into streams when chat starts comparing loadouts.

Frequently Asked Questions

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What movie is 'that's not a knife' from?
It is from the 1986 comedy Crocodile Dundee. Paul Hogan plays Mick Dundee, who is threatened by a New York mugger with a small knife before calmly pulling out his much larger Bowie knife and delivering the line.
Who says 'that's not a knife'?
Australian actor Paul Hogan says it in character as Mick 'Crocodile' Dundee. His relaxed, confident delivery is part of the joke, contrasting the mugger's threat with Dundee's experience as an outdoorsman from the Australian outback.
Why is the that's not a knife sound used in memes?
Creators use it for one-up reveals because the structure is instantly clear. The first part sets up something small or weak, the pause builds expectation, and the second part lands as the bigger, better version is shown on screen.

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